What is the Size Calculator?

We surveyed thousands of you, our #smashtessfam, to get all the details on your sizing and fit for every one of our products and then turned that data into a savvy calculator that’s got your back, just like your bestie! 

No need to fret here, this isn’t just any data. It has been carefully collected and analyzed by our Romper Wizards to help you find which type of fit you would be most comfortable in based on the fit you prefer!


You can find the Size Calculator on each product page - simply enter your height and weight and it will calculate the best fit for you!


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